condition	mean	min	max
4 h after light	4.564055	4.47537	4.65274
8 h after light	3.662845	3.46192	3.86377
12 h after light	13.972449999999998	13.5224	14.4225
4 h after dark	17.245350000000002	17.2037	17.287
8 h after dark	12.221599999999999	11.8705	12.5727
12 h after dark	7.865785000000001	7.37399	8.35758